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120133230 = 2357572063
BaseRepresentation
bin1110010100100…
…01011001101110
322101001101210220
413022101121232
5221223230410
615530512210
72656054440
oct712213156
9271041726
10120133230
11618a2968
1234295666
131bb72769
1411d52490
15a830070
hex729166e

120133230 has 32 divisors (see below), whose sum is σ = 329508864. Its totient is φ = 27458976.

The previous prime is 120133193. The next prime is 120133231. The reversal of 120133230 is 32331021.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120133231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 285822 + ... + 286241.

It is an arithmetic number, because the mean of its divisors is an integer number (10297152).

Almost surely, 2120133230 is an apocalyptic number.

120133230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120133230 is an abundant number, since it is smaller than the sum of its proper divisors (209375634).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

120133230 is a wasteful number, since it uses less digits than its factorization.

120133230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572080.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 120133230 is about 10960.5305528519. The cubic root of 120133230 is about 493.4248881495.

Adding to 120133230 its reverse (32331021), we get a palindrome (152464251).

The spelling of 120133230 in words is "one hundred twenty million, one hundred thirty-three thousand, two hundred thirty".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 572063 1144126 1716189 2860315 3432378 4004441 5720630 8008882 8580945 12013323 17161890 20022205 24026646 40044410 60066615 120133230